CVE-2026-44427 MCP Registry: Open Redirect

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...

CVE-2026-44427

The CVE-2026-44427 entry concerns the MCP Registry’s TrailingSlashMiddleware (internal/api/server.go), affecting versions 1.1.0–1.7.4. The vulnerability is an open redirect caused by processing protocol-relative paths (e.g., //evil.com/) without validating the redirect target after trimming trail...

CVE-2026-44427 MCP Registry: Open Redirect

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...

CVE-2026-44427

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...

CVE-2026-44427 MCP Registry: Open Redirect

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...

CVE-2026-42882

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

Duplicate Advisory: OpenClaw: Owner-enforced commands could accept wildcard channel senders as command owners

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c28g-vh7m-fm7v. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.21 contains an authorization bypass vulnerability in command-auth.ts that allows non-owner...

CVE-2026-44991 OpenClaw < 2026.4.21 - Authorization Bypass in Owner-Enforced Commands via Wildcard Channel Senders

OpenClaw before 2026.4.21 contains an authorization bypass vulnerability in command-auth.ts that allows non-owner senders to execute owner-enforced slash commands when wildcard inbound senders are configured without explicit owner allowFrom settings. Attackers can exploit this by sending commands...

Path Traversal

Mako is vulnerable to Path Traversal. The vulnerability is due to inconsistent slash-stripping behavior in TemplateLookup.gettemplate, where URIs beginning with // can bypass path restrictions and access arbitrary files outside the intended template directory, allowing disclosure of files readabl...

MCP Registry has open redirect via protocol-relative path in trailing-slash middleware

Summary The TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ that, after trailing slash removal, results in a Location header of //evil.com — which browsers interpret as an...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect in the TrailingSlashMiddleware function. An attacker can redirect users to arbitrary external domains by crafting a request with a protocol-relative path, leading to potential phishing or malware distribution attacks...

GHSA-V8VW-GW5J-W7M6 MCP Registry has open redirect via protocol-relative path in trailing-slash middleware

Summary The TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ that, after trailing slash removal, results in a Location header of //evil.com — which browsers interpret as an...

EUVD-2026-28508

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.14, Heimdall handles URL-encoded slashes %2F in a case-sensitive manner, while percent-encoding is defined to be case-insensitive. As a result, the lowercase equivalent %2f is not recognized...

PT-2026-39261

Name of the Vulnerable Software and Affected Versions MCP Registry versions 1.1.0 through 1.7.4 Description The TrailingSlashMiddleware in internal/api/server.go is susceptible to an open redirect. This occurs because the middleware strips trailing slashes from request paths and issues a 308...

CVE-2026-40332

Masa CMS is affected by an Open Redirect vulnerability due to improper handling of scheme-relative URLs. The application incorrectly interprets paths beginning with double slashes // as internal paths, failing to validate the redirect target before processing. The application treats these values ...

CVE-2026-40332

Masa CMS is affected by an Open Redirect vulnerability caused by improper handling of scheme-relative URLs. The system misinterprets paths beginning with // as internal and processes them without validating that the redirect target stays on the local site. An attacker can craft a link on the trus...

CVE-2026-40332 Masa CMS open redirect via improper handling of scheme-relative URLs

Masa CMS is affected by an Open Redirect vulnerability due to improper handling of scheme-relative URLs. The application incorrectly interprets paths beginning with double slashes // as internal paths, failing to validate the redirect target before processing. The application treats these values ...

Masa CMS 输入验证错误漏洞

Masa CMS is a digital experience platform operated by Masa CMS organization. Masa CMS has a vulnerability related to input validation errors. This vulnerability stems from improper handling of relative URLs, which may allow attackers to redirect victims to sites controlled by external attackers...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Mako vulnerability (USN-8234-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8234-1 advisory. It was discovered that Mako incorrectly handled URIs with double-slash prefixes in...

USN-8234-1 python-mako vulnerability

It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain sensitive information...